<template>
	<view v-if="goodsInfo.goods_name" class="goods-detail-container">
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
		  <swiper-item v-for="(item, i) in goodsInfo.pics" :key="i">
		    <image :src="item.pics_big" @click="preview(i)"></image>
		  </swiper-item>
		</swiper>
		
		<view class="goods-info-box">
			<view class="goods-price">￥{{ goodsInfo.goods_price }}</view>
			
			<view class="goods-info-body">  	
				<view class="goods-name">{{ goodsInfo.goods_name}}</view>
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			 
			 <view class="yf">快递：免运费</view>
		</view>
		
		<rich-text :nodes="goodsInfo.goods_introduce"></rich-text>
		<view class="goods_nav">
			<uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"
				@click="onClick" @buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import { mapState, mapMutations, mapGetters} from 'vuex'
	export default {
		watch: {
			// total(newVal) {
			// 	const findResult = this.options.find(x => x.text === '购物车')
			// 	if(findResult) {
			// 		findResult.info = newVal
			// 	}
			// }
			total:{
				handler(newVal) {
					const findResult = this.options.find(x => x.text === '购物车')
						if(findResult) {
							findResult.info = newVal
						}
				},
				
				immediate: true
			}
		},
		computed: {
			...mapState('m_cart', ['cart']),
			...mapGetters('m_cart', ['total']),
			
		},
		
		data() {
			return {
				goodsInfo: {},
				
				options: [{
					icon: 'shop',
					text: '店铺'
				},{
					icon: 'cart',
					text: '购物车',
					info: 0
				}],
				
				buttonGroup: [{
					text: '加入购物车',
					backgroundColor:'#ff0000',
					color: '#fff'
				},{
					text: '立即购买',
					backgroundColor:'#ffa200',
					color: '#fff'
				}]
			};
		},
		
		onLoad(options) {
			const goods_id = options.goods_id
			this.getGoodsDetail(goods_id)
		},
		
		methods: {
			...mapMutations('m_cart', ['addToCart']),
			async getGoodsDetail(goods_id){
				const { data: res } = await uni.$http.get('/api/public/v1/goods/detail', {goods_id})
				if(res.meta.status != 200)  return uni.$showMsg()
				res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g , 
				'<img style="display: block ;" ').replace('/webp/g', 'jpg')
				this.goodsInfo = res.message
			},
			
			preview(i) {
				uni.previewImage({
					current: i,
					urls: this.goodsInfo.pics.map(x => x.pics_big)
				})
			},
			
			onClick(e) {
				if(e.content.text === '购物车') {
					uni.switchTab({
						url: '/pages/cart/cart'
					})
				}
			},
			
			buttonClick(e) {
				if(e.content.text === '加入购物车') {
						//{goods_id, goods_name, goods_price, goods_count, goods_small_logo, goods_state}
					const goods = {
						goods_id: this.goodsInfo.goods_id,
				    goods_name: this.goodsInfo.goods_name,
						goods_price: this.goodsInfo.goods_price,
						goods_count: 1,
						goods_small_logo: this.goodsInfo.goods_small_logo,
						goods_state: true
					}
					
					this.addToCart(goods)
				}
			}
		}
	}
</script>

<style lang="scss">
swiper {
	height: 750rpx;
	image {
		width: 100%;
		height: 100%;
	}
}

.goods-info-box {
	padding: 10px;
	padding-right: 0;
	
	.goods-price {
		color: #C00000;
		font-size: 18px;
		margin: 10px, 0;
	}
	
	.goods-info-body {
		
		display: flex;
		justify-content: space-between;
		
		.goods-name {
			font-size: 13px;
			margin-right: 10px;
		}
		
		.favi {
			width: 120px;
			font-size: 12px;
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			border-left: 1px solid #efefef;
			color: gray;
		}
	}
	
	.yf {
		font-size: 12px;
		color: gray;
		margin: 10px, 0;
	}
}

.goods-detail-container {
	
	padding-bottom: 50px;
}

.goods_nav {
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	
}
</style>
